Optimal. Leaf size=124 \[ -\frac{3 i}{4 a f \sqrt{c-i c \tan (e+f x)}}+\frac{i}{2 a f (1+i \tan (e+f x)) \sqrt{c-i c \tan (e+f x)}}+\frac{3 i \tanh ^{-1}\left (\frac{\sqrt{c-i c \tan (e+f x)}}{\sqrt{2} \sqrt{c}}\right )}{4 \sqrt{2} a \sqrt{c} f} \]
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Rubi [A] time = 0.175665, antiderivative size = 124, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 33, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.152, Rules used = {3522, 3487, 51, 63, 206} \[ -\frac{3 i}{4 a f \sqrt{c-i c \tan (e+f x)}}+\frac{i}{2 a f (1+i \tan (e+f x)) \sqrt{c-i c \tan (e+f x)}}+\frac{3 i \tanh ^{-1}\left (\frac{\sqrt{c-i c \tan (e+f x)}}{\sqrt{2} \sqrt{c}}\right )}{4 \sqrt{2} a \sqrt{c} f} \]
Antiderivative was successfully verified.
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Rule 3522
Rule 3487
Rule 51
Rule 63
Rule 206
Rubi steps
\begin{align*} \int \frac{1}{(a+i a \tan (e+f x)) \sqrt{c-i c \tan (e+f x)}} \, dx &=\frac{\int \cos ^2(e+f x) \sqrt{c-i c \tan (e+f x)} \, dx}{a c}\\ &=\frac{\left (i c^2\right ) \operatorname{Subst}\left (\int \frac{1}{(c-x)^2 (c+x)^{3/2}} \, dx,x,-i c \tan (e+f x)\right )}{a f}\\ &=\frac{i}{2 a f (1+i \tan (e+f x)) \sqrt{c-i c \tan (e+f x)}}+\frac{(3 i c) \operatorname{Subst}\left (\int \frac{1}{(c-x) (c+x)^{3/2}} \, dx,x,-i c \tan (e+f x)\right )}{4 a f}\\ &=-\frac{3 i}{4 a f \sqrt{c-i c \tan (e+f x)}}+\frac{i}{2 a f (1+i \tan (e+f x)) \sqrt{c-i c \tan (e+f x)}}+\frac{(3 i) \operatorname{Subst}\left (\int \frac{1}{(c-x) \sqrt{c+x}} \, dx,x,-i c \tan (e+f x)\right )}{8 a f}\\ &=-\frac{3 i}{4 a f \sqrt{c-i c \tan (e+f x)}}+\frac{i}{2 a f (1+i \tan (e+f x)) \sqrt{c-i c \tan (e+f x)}}+\frac{(3 i) \operatorname{Subst}\left (\int \frac{1}{2 c-x^2} \, dx,x,\sqrt{c-i c \tan (e+f x)}\right )}{4 a f}\\ &=\frac{3 i \tanh ^{-1}\left (\frac{\sqrt{c-i c \tan (e+f x)}}{\sqrt{2} \sqrt{c}}\right )}{4 \sqrt{2} a \sqrt{c} f}-\frac{3 i}{4 a f \sqrt{c-i c \tan (e+f x)}}+\frac{i}{2 a f (1+i \tan (e+f x)) \sqrt{c-i c \tan (e+f x)}}\\ \end{align*}
Mathematica [A] time = 1.61837, size = 117, normalized size = 0.94 \[ -\frac{i e^{-2 i (e+f x)} \left (e^{2 i (e+f x)}+2 e^{4 i (e+f x)}-3 e^{2 i (e+f x)} \sqrt{1+e^{2 i (e+f x)}} \tanh ^{-1}\left (\sqrt{1+e^{2 i (e+f x)}}\right )-1\right ) \sqrt{c-i c \tan (e+f x)}}{8 a c f} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.078, size = 102, normalized size = 0.8 \begin{align*}{\frac{2\,i{c}^{2}}{fa} \left ( -{\frac{1}{4\,{c}^{2}} \left ({\frac{1}{-2\,c-2\,ic\tan \left ( fx+e \right ) }\sqrt{c-ic\tan \left ( fx+e \right ) }}-{\frac{3\,\sqrt{2}}{4}{\it Artanh} \left ({\frac{\sqrt{2}}{2}\sqrt{c-ic\tan \left ( fx+e \right ) }{\frac{1}{\sqrt{c}}}} \right ){\frac{1}{\sqrt{c}}}} \right ) }-{\frac{1}{4\,{c}^{2}}{\frac{1}{\sqrt{c-ic\tan \left ( fx+e \right ) }}}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.35799, size = 759, normalized size = 6.12 \begin{align*} \frac{{\left (3 i \, \sqrt{\frac{1}{2}} a c f \sqrt{\frac{1}{a^{2} c f^{2}}} e^{\left (2 i \, f x + 2 i \, e\right )} \log \left (\frac{{\left (\sqrt{2} \sqrt{\frac{1}{2}}{\left (6 i \, a f e^{\left (2 i \, f x + 2 i \, e\right )} + 6 i \, a f\right )} \sqrt{\frac{c}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}} \sqrt{\frac{1}{a^{2} c f^{2}}} + 6 i\right )} e^{\left (-i \, f x - i \, e\right )}}{4 \, a f}\right ) - 3 i \, \sqrt{\frac{1}{2}} a c f \sqrt{\frac{1}{a^{2} c f^{2}}} e^{\left (2 i \, f x + 2 i \, e\right )} \log \left (\frac{{\left (\sqrt{2} \sqrt{\frac{1}{2}}{\left (-6 i \, a f e^{\left (2 i \, f x + 2 i \, e\right )} - 6 i \, a f\right )} \sqrt{\frac{c}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}} \sqrt{\frac{1}{a^{2} c f^{2}}} + 6 i\right )} e^{\left (-i \, f x - i \, e\right )}}{4 \, a f}\right ) + \sqrt{2} \sqrt{\frac{c}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}}{\left (-2 i \, e^{\left (4 i \, f x + 4 i \, e\right )} - i \, e^{\left (2 i \, f x + 2 i \, e\right )} + i\right )}\right )} e^{\left (-2 i \, f x - 2 i \, e\right )}}{8 \, a c f} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: AttributeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (i \, a \tan \left (f x + e\right ) + a\right )} \sqrt{-i \, c \tan \left (f x + e\right ) + c}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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